text: const mootools = require('mootools');
  
  const obj = {a: 1, b: 2, c: 3};
  
  Object.prototype.abc = 123;
  
  Object.toQueryString(obj);
  Object.contains(obj, 2);
  Object.keyOf(obj);
  
  Number.random();
  Number.random();
  
  console.log((-10).abs());
  
  console.log(Number.random(1, 10));
  
  console.log((-10).abs());
  